Kilometres per hour
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The kilometre per hour is a unit of speed, expressing the number of kilometres travelled in one hour.
A car speedometer that indicates measured speed in kilometres per hour.
Speed limit sign in the Republic of Ireland, using "km/h."
Kilometre
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The kilometre, spelt kilometer in American English, is a unit of length in the International System of Units, equal to one thousand metres. It is the preferred measurement unit to express distances be
Kilometres per hour
…kilometre per hour (alternatively spelt kilometer per hour; SI symbol: km/h; abbreviations: kph, kmph, km/hr) is a unit of speed, expressing the number of kilometres travelled in one hour. Although the metre was formally defined in 1799, the term "kilometres per hour" did not come into immediate use – the myriametre…
The main span of the 25 de Abril Bridge in Lisbon, Portugal is 1.013 kilometres (1,013 m).